On 1/3/08, knitti  wrote:

quoted text
> On 1/3/08, Marius Hooge  wrote:

>

> > I personally don't recommend backups to CD/DVD.

> > They degenerate rather "quickly" depending on their quality and

> > the storage humidity.

> > Unlike a USB/Firewire harddisk inside your fire-, water-, emp-proof

> > safe/vault. ;-)

> > But make shure to set some kind of reminder to update your backup.

>

> this is becoming OT, but I can't recommend storing HDDs as "real"

> backup solution either. HDDs _do_ have bitrot, and one should at least,

> say, once a year, verify that the *whole* disk is readable, ensuring that

> sectors which are not yet completely unreadable get remapped. Vaulting

> a DVD or a HDD for five years or more leaves you in both cases with the

> real possibility of data loss.

How would you verify the whole disk is readable? And if it's all

readable, how do you ensure the data is still the same pattern you put

on before?
-Nick